Voice Recorder：audio editor funktioniert nicht

The voice recorder pro is designed with an intuitive interface that makes it easy to record, pause, edit audio and much more.  Enjoy recording, playback and audio editing with Voice Recorder.  Live sound with its true feelings.  It is a very useful application for your work and life. · You can subscribe for unlimited access to all features within Pic Editor. · Subscriptions are billed weekly, annually or one-off upfront payment at the rate selected depending on the subscription plan. -Payment will be charged to iTunes Account at confirmation of purchase. -Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. -Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. -Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. -Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable..